package com.edu.servlet;

import java.io.File;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;

import com.edu.bean.Carinfo;
import com.edu.service.CarinfoService;
import com.edu.service.impl.CarinfoServiceImpl;
@MultipartConfig
@WebServlet("/addcatinfo.do")
public class AddCarinfoServlet extends HttpServlet{
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		req.setCharacterEncoding("UTF-8");
		CarinfoService cs = new CarinfoServiceImpl();
		String name = req.getParameter("carname");
		String price = req.getParameter("price");
		String color = req.getParameter("color");
		String material = req.getParameter("material");
		String configuration = req.getParameter("configuration");
		String introduce = req.getParameter("introduce");
		String performance = req.getParameter("performance");
		String guarantee = req.getParameter("guarantee");
		String accessories = req.getParameter("accessories");
		String smart = req.getParameter("smart");
		double carprice = Double.parseDouble(price);
		Carinfo carinfo = new Carinfo(name,carprice,color,material,configuration,introduce,performance,guarantee,accessories,smart);
		Part part = req.getPart("carImg");
		String savePath="";
		if(part.getSize()>0 ) {
			if(part.getSize() <=1024*1024 || part.getContentType().contains("image")) {
				//生成一个独一无二的文件名.UUID，用户名_时间戳_原始文件名
				String saveName = name+"_"+System.currentTimeMillis()+part.getSubmittedFileName();
				//把文件存储到服务器的headImg路径下（真实路径）
				savePath = "c:/PhaetonCommunityImg/favoriteCar/"+saveName;
				//访问路径存在数据库，取出来之后直接拼字img下面的src的路径下
				String visitPath = "/PhaetonCommunity/favoriteCar/"+saveName;
				//用户上传的文件需要复制到真实保存路径
				part.write(savePath);
				carinfo.setCarImg(visitPath);
			}else {
				req.setAttribute("carimgMsg","图片必须小于1m");
				return;
			}
			
		}
    	int result = cs.addcarinfo(carinfo);
    	if(result == -1){
    		//添加失败时，应该把上面保存在服务器里的图片删掉
    		File file = new File(savePath);
    		if(file.exists()) {
    			file.delete();
    		}
    	} 
	}
}
